2 * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
3 * Separated from fs stuff by Arnd Bergmann <arnd@arndb.de>
5 * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com)
6 * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
7 * Copyright (C) 2001,2002 Andi Kleen, SuSE Labs
8 * Copyright (C) 2003 Pavel Machek (pavel@suse.cz)
9 * Copyright (C) 2005 Philippe De Muyter (phdm@macqel.be)
10 * Copyright (C) 2008 Hans Verkuil <hverkuil@xs4all.nl>
12 * These routines maintain argument size conversion between 32bit and 64bit
16 #include <linux/compat.h>
17 #define __OLD_VIDIOC_ /* To allow fixing old calls*/
18 #include <linux/videodev.h>
19 #include <linux/videodev2.h>
20 #include <linux/module.h>
21 #include <linux/smp_lock.h>
22 #include <media/v4l2-ioctl.h>
26 #ifdef CONFIG_VIDEO_V4L1_COMPAT
27 struct video_tuner32 {
30 compat_ulong_t rangelow, rangehigh;
31 u32 flags; /* It is really u32 in videodev.h */
35 static int get_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up)
37 if (!access_ok(VERIFY_READ, up, sizeof(struct video_tuner32)) ||
38 get_user(kp->tuner, &up->tuner) ||
39 copy_from_user(kp->name, up->name, 32) ||
40 get_user(kp->rangelow, &up->rangelow) ||
41 get_user(kp->rangehigh, &up->rangehigh) ||
42 get_user(kp->flags, &up->flags) ||
43 get_user(kp->mode, &up->mode) ||
44 get_user(kp->signal, &up->signal))
49 static int put_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up)
51 if (!access_ok(VERIFY_WRITE, up, sizeof(struct video_tuner32)) ||
52 put_user(kp->tuner, &up->tuner) ||
53 copy_to_user(up->name, kp->name, 32) ||
54 put_user(kp->rangelow, &up->rangelow) ||
55 put_user(kp->rangehigh, &up->rangehigh) ||
56 put_user(kp->flags, &up->flags) ||
57 put_user(kp->mode, &up->mode) ||
58 put_user(kp->signal, &up->signal))
63 struct video_buffer32 {
65 compat_int_t height, width, depth, bytesperline;
68 static int get_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up)
72 if (!access_ok(VERIFY_READ, up, sizeof(struct video_buffer32)) ||
73 get_user(tmp, &up->base) ||
74 get_user(kp->height, &up->height) ||
75 get_user(kp->width, &up->width) ||
76 get_user(kp->depth, &up->depth) ||
77 get_user(kp->bytesperline, &up->bytesperline))
80 /* This is actually a physical address stored
83 kp->base = (void *)(unsigned long) tmp;
88 static int put_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up)
90 u32 tmp = (u32)((unsigned long)kp->base);
92 if (!access_ok(VERIFY_WRITE, up, sizeof(struct video_buffer32)) ||
93 put_user(tmp, &up->base) ||
94 put_user(kp->height, &up->height) ||
95 put_user(kp->width, &up->width) ||
96 put_user(kp->depth, &up->depth) ||
97 put_user(kp->bytesperline, &up->bytesperline))
102 struct video_clip32 {
103 s32 x, y, width, height; /* It's really s32 in videodev.h */
107 struct video_window32 {
108 u32 x, y, width, height, chromakey, flags;
109 compat_caddr_t clips;
110 compat_int_t clipcount;
113 static int get_video_window32(struct video_window *kp, struct video_window32 __user *up)
115 struct video_clip __user *uclips;
116 struct video_clip __user *kclips;
120 if (!access_ok(VERIFY_READ, up, sizeof(struct video_window32)))
123 if (get_user(nclips, &up->clipcount))
126 if (!access_ok(VERIFY_READ, up, sizeof(struct video_window32)) ||
127 get_user(kp->x, &up->x) ||
128 get_user(kp->y, &up->y) ||
129 get_user(kp->width, &up->width) ||
130 get_user(kp->height, &up->height) ||
131 get_user(kp->chromakey, &up->chromakey) ||
132 get_user(kp->flags, &up->flags) ||
133 get_user(kp->clipcount, &up->clipcount))
136 nclips = kp->clipcount;
141 if (get_user(p, &up->clips))
143 uclips = compat_ptr(p);
145 /* If nclips < 0, then it is a clipping bitmap of size
146 VIDEO_CLIPMAP_SIZE */
148 if (!access_ok(VERIFY_READ, uclips, VIDEO_CLIPMAP_SIZE))
150 kp->clips = compat_alloc_user_space(VIDEO_CLIPMAP_SIZE);
151 if (copy_in_user(kp->clips, uclips, VIDEO_CLIPMAP_SIZE))
156 /* Otherwise it is an array of video_clip structs. */
157 if (!access_ok(VERIFY_READ, uclips, nclips * sizeof(struct video_clip)))
160 kp->clips = compat_alloc_user_space(nclips * sizeof(struct video_clip));
165 err = copy_in_user(&kclips->x, &uclips->x, sizeof(kclips->x));
166 err |= copy_in_user(&kclips->y, &uclips->y, sizeof(kclips->y));
167 err |= copy_in_user(&kclips->width, &uclips->width, sizeof(kclips->width));
168 err |= copy_in_user(&kclips->height, &uclips->height, sizeof(kclips->height));
178 /* You get back everything except the clips... */
179 static int put_video_window32(struct video_window *kp, struct video_window32 __user *up)
181 if (!access_ok(VERIFY_WRITE, up, sizeof(struct video_window32)) ||
182 put_user(kp->x, &up->x) ||
183 put_user(kp->y, &up->y) ||
184 put_user(kp->width, &up->width) ||
185 put_user(kp->height, &up->height) ||
186 put_user(kp->chromakey, &up->chromakey) ||
187 put_user(kp->flags, &up->flags) ||
188 put_user(kp->clipcount, &up->clipcount))
193 struct video_code32 {
194 char loadwhat[16]; /* name or tag of file being passed */
195 compat_int_t datasize;
199 static int get_microcode32(struct video_code *kp, struct video_code32 __user *up)
201 if (!access_ok(VERIFY_READ, up, sizeof(struct video_code32)) ||
202 copy_from_user(kp->loadwhat, up->loadwhat, sizeof(up->loadwhat)) ||
203 get_user(kp->datasize, &up->datasize) ||
204 copy_from_user(kp->data, up->data, up->datasize))
209 #define VIDIOCGTUNER32 _IOWR('v', 4, struct video_tuner32)
210 #define VIDIOCSTUNER32 _IOW('v', 5, struct video_tuner32)
211 #define VIDIOCGWIN32 _IOR('v', 9, struct video_window32)
212 #define VIDIOCSWIN32 _IOW('v', 10, struct video_window32)
213 #define VIDIOCGFBUF32 _IOR('v', 11, struct video_buffer32)
214 #define VIDIOCSFBUF32 _IOW('v', 12, struct video_buffer32)
215 #define VIDIOCGFREQ32 _IOR('v', 14, u32)
216 #define VIDIOCSFREQ32 _IOW('v', 15, u32)
217 #define VIDIOCSMICROCODE32 _IOW('v', 27, struct video_code32)
219 #define VIDIOCCAPTURE32 _IOW('v', 8, s32)
220 #define VIDIOCSYNC32 _IOW('v', 18, s32)
221 #define VIDIOCSWRITEMODE32 _IOW('v', 25, s32)
225 static long native_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
227 long ret = -ENOIOCTLCMD;
229 if (file->f_op->unlocked_ioctl)
230 ret = file->f_op->unlocked_ioctl(file, cmd, arg);
231 else if (file->f_op->ioctl) {
233 ret = file->f_op->ioctl(file->f_path.dentry->d_inode, file, cmd, arg);
246 struct v4l2_window32 {
248 enum v4l2_field field;
250 compat_caddr_t clips; /* actually struct v4l2_clip32 * */
252 compat_caddr_t bitmap;
255 static int get_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
257 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_window32)) ||
258 copy_from_user(&kp->w, &up->w, sizeof(up->w)) ||
259 get_user(kp->field, &up->field) ||
260 get_user(kp->chromakey, &up->chromakey) ||
261 get_user(kp->clipcount, &up->clipcount))
263 if (kp->clipcount > 2048)
266 struct v4l2_clip32 __user *uclips;
267 struct v4l2_clip __user *kclips;
268 int n = kp->clipcount;
271 if (get_user(p, &up->clips))
273 uclips = compat_ptr(p);
274 kclips = compat_alloc_user_space(n * sizeof(struct v4l2_clip));
277 if (copy_in_user(&kclips->c, &uclips->c, sizeof(uclips->c)))
279 if (put_user(n ? kclips + 1 : NULL, &kclips->next))
289 static int put_v4l2_window32(struct v4l2_window *kp, struct v4l2_window32 __user *up)
291 if (copy_to_user(&up->w, &kp->w, sizeof(kp->w)) ||
292 put_user(kp->field, &up->field) ||
293 put_user(kp->chromakey, &up->chromakey) ||
294 put_user(kp->clipcount, &up->clipcount))
299 static inline int get_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up)
301 if (copy_from_user(kp, up, sizeof(struct v4l2_pix_format)))
306 static inline int put_v4l2_pix_format(struct v4l2_pix_format *kp, struct v4l2_pix_format __user *up)
308 if (copy_to_user(up, kp, sizeof(struct v4l2_pix_format)))
313 static inline int get_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up)
315 if (copy_from_user(kp, up, sizeof(struct v4l2_vbi_format)))
320 static inline int put_v4l2_vbi_format(struct v4l2_vbi_format *kp, struct v4l2_vbi_format __user *up)
322 if (copy_to_user(up, kp, sizeof(struct v4l2_vbi_format)))
327 static inline int get_v4l2_sliced_vbi_format(struct v4l2_sliced_vbi_format *kp, struct v4l2_sliced_vbi_format __user *up)
329 if (copy_from_user(kp, up, sizeof(struct v4l2_sliced_vbi_format)))
334 static inline int put_v4l2_sliced_vbi_format(struct v4l2_sliced_vbi_format *kp, struct v4l2_sliced_vbi_format __user *up)
336 if (copy_to_user(up, kp, sizeof(struct v4l2_sliced_vbi_format)))
341 struct v4l2_format32 {
342 enum v4l2_buf_type type;
344 struct v4l2_pix_format pix;
345 struct v4l2_window32 win;
346 struct v4l2_vbi_format vbi;
347 struct v4l2_sliced_vbi_format sliced;
348 __u8 raw_data[200]; /* user-defined */
352 static int get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
354 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_format32)) ||
355 get_user(kp->type, &up->type))
358 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
359 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
360 return get_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix);
361 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
362 case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
363 return get_v4l2_window32(&kp->fmt.win, &up->fmt.win);
364 case V4L2_BUF_TYPE_VBI_CAPTURE:
365 case V4L2_BUF_TYPE_VBI_OUTPUT:
366 return get_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi);
367 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
368 case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
369 return get_v4l2_sliced_vbi_format(&kp->fmt.sliced, &up->fmt.sliced);
370 case V4L2_BUF_TYPE_PRIVATE:
371 if (copy_from_user(kp, up, sizeof(kp->fmt.raw_data)))
377 printk(KERN_INFO "compat_ioctl32: unexpected VIDIOC_FMT type %d\n",
383 static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user *up)
385 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_format32)) ||
386 put_user(kp->type, &up->type))
389 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
390 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
391 return put_v4l2_pix_format(&kp->fmt.pix, &up->fmt.pix);
392 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
393 case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
394 return put_v4l2_window32(&kp->fmt.win, &up->fmt.win);
395 case V4L2_BUF_TYPE_VBI_CAPTURE:
396 case V4L2_BUF_TYPE_VBI_OUTPUT:
397 return put_v4l2_vbi_format(&kp->fmt.vbi, &up->fmt.vbi);
398 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
399 case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
400 return put_v4l2_sliced_vbi_format(&kp->fmt.sliced, &up->fmt.sliced);
401 case V4L2_BUF_TYPE_PRIVATE:
402 if (copy_to_user(up, kp, sizeof(up->fmt.raw_data)))
408 printk(KERN_INFO "compat_ioctl32: unexpected VIDIOC_FMT type %d\n",
414 struct v4l2_standard32 {
416 __u32 id[2]; /* __u64 would get the alignment wrong */
418 struct v4l2_fract frameperiod; /* Frames, not fields */
423 static int get_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
425 /* other fields are not set by the user, nor used by the driver */
426 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_standard32)) ||
427 get_user(kp->index, &up->index))
432 static int put_v4l2_standard32(struct v4l2_standard *kp, struct v4l2_standard32 __user *up)
434 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_standard32)) ||
435 put_user(kp->index, &up->index) ||
436 copy_to_user(up->id, &kp->id, sizeof(__u64)) ||
437 copy_to_user(up->name, kp->name, 24) ||
438 copy_to_user(&up->frameperiod, &kp->frameperiod, sizeof(kp->frameperiod)) ||
439 put_user(kp->framelines, &up->framelines) ||
440 copy_to_user(up->reserved, kp->reserved, 4 * sizeof(__u32)))
445 struct v4l2_buffer32 {
447 enum v4l2_buf_type type;
450 enum v4l2_field field;
451 struct compat_timeval timestamp;
452 struct v4l2_timecode timecode;
455 /* memory location */
456 enum v4l2_memory memory;
459 compat_long_t userptr;
466 static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
469 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_buffer32)) ||
470 get_user(kp->index, &up->index) ||
471 get_user(kp->type, &up->type) ||
472 get_user(kp->flags, &up->flags) ||
473 get_user(kp->memory, &up->memory) ||
474 get_user(kp->input, &up->input))
476 switch (kp->memory) {
477 case V4L2_MEMORY_MMAP:
478 if (get_user(kp->length, &up->length) ||
479 get_user(kp->m.offset, &up->m.offset))
482 case V4L2_MEMORY_USERPTR:
486 if (get_user(kp->length, &up->length) ||
487 get_user(tmp, &up->m.userptr))
490 kp->m.userptr = (unsigned long)compat_ptr(tmp);
493 case V4L2_MEMORY_OVERLAY:
494 if (get_user(kp->m.offset, &up->m.offset))
501 static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user *up)
503 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_buffer32)) ||
504 put_user(kp->index, &up->index) ||
505 put_user(kp->type, &up->type) ||
506 put_user(kp->flags, &up->flags) ||
507 put_user(kp->memory, &up->memory) ||
508 put_user(kp->input, &up->input))
510 switch (kp->memory) {
511 case V4L2_MEMORY_MMAP:
512 if (put_user(kp->length, &up->length) ||
513 put_user(kp->m.offset, &up->m.offset))
516 case V4L2_MEMORY_USERPTR:
517 if (put_user(kp->length, &up->length) ||
518 put_user(kp->m.userptr, &up->m.userptr))
521 case V4L2_MEMORY_OVERLAY:
522 if (put_user(kp->m.offset, &up->m.offset))
526 if (put_user(kp->bytesused, &up->bytesused) ||
527 put_user(kp->field, &up->field) ||
528 put_user(kp->timestamp.tv_sec, &up->timestamp.tv_sec) ||
529 put_user(kp->timestamp.tv_usec, &up->timestamp.tv_usec) ||
530 copy_to_user(&up->timecode, &kp->timecode, sizeof(struct v4l2_timecode)) ||
531 put_user(kp->sequence, &up->sequence) ||
532 put_user(kp->reserved, &up->reserved))
537 struct v4l2_framebuffer32 {
541 struct v4l2_pix_format fmt;
544 static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
548 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_framebuffer32)) ||
549 get_user(tmp, &up->base) ||
550 get_user(kp->capability, &up->capability) ||
551 get_user(kp->flags, &up->flags))
553 kp->base = compat_ptr(tmp);
554 get_v4l2_pix_format(&kp->fmt, &up->fmt);
558 static int put_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
560 u32 tmp = (u32)((unsigned long)kp->base);
562 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_framebuffer32)) ||
563 put_user(tmp, &up->base) ||
564 put_user(kp->capability, &up->capability) ||
565 put_user(kp->flags, &up->flags))
567 put_v4l2_pix_format(&kp->fmt, &up->fmt);
571 struct v4l2_input32 {
572 __u32 index; /* Which input */
573 __u8 name[32]; /* Label */
574 __u32 type; /* Type of input */
575 __u32 audioset; /* Associated audios (bitfield) */
576 __u32 tuner; /* Associated tuner */
580 } __attribute__ ((packed));
582 /* The 64-bit v4l2_input struct has extra padding at the end of the struct.
583 Otherwise it is identical to the 32-bit version. */
584 static inline int get_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up)
586 if (copy_from_user(kp, up, sizeof(struct v4l2_input32)))
591 static inline int put_v4l2_input32(struct v4l2_input *kp, struct v4l2_input32 __user *up)
593 if (copy_to_user(up, kp, sizeof(struct v4l2_input32)))
598 struct v4l2_ext_controls32 {
603 compat_caddr_t controls; /* actually struct v4l2_ext_control32 * */
606 struct v4l2_ext_control32 {
613 compat_caddr_t string; /* actually char * */
615 } __attribute__ ((packed));
617 /* The following function really belong in v4l2-common, but that causes
618 a circular dependency between modules. We need to think about this, but
619 for now this will do. */
621 /* Return non-zero if this control is a pointer type. Currently only
622 type STRING is a pointer type. */
623 static inline int ctrl_is_pointer(u32 id)
626 case V4L2_CID_RDS_TX_PS_NAME:
627 case V4L2_CID_RDS_TX_RADIO_TEXT:
634 static int get_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext_controls32 __user *up)
636 struct v4l2_ext_control32 __user *ucontrols;
637 struct v4l2_ext_control __user *kcontrols;
641 if (!access_ok(VERIFY_READ, up, sizeof(struct v4l2_ext_controls32)) ||
642 get_user(kp->ctrl_class, &up->ctrl_class) ||
643 get_user(kp->count, &up->count) ||
644 get_user(kp->error_idx, &up->error_idx) ||
645 copy_from_user(kp->reserved, up->reserved, sizeof(kp->reserved)))
652 if (get_user(p, &up->controls))
654 ucontrols = compat_ptr(p);
655 if (!access_ok(VERIFY_READ, ucontrols, n * sizeof(struct v4l2_ext_control)))
657 kcontrols = compat_alloc_user_space(n * sizeof(struct v4l2_ext_control));
658 kp->controls = kcontrols;
660 if (copy_in_user(kcontrols, ucontrols, sizeof(*kcontrols)))
662 if (ctrl_is_pointer(kcontrols->id)) {
665 if (get_user(p, &ucontrols->string))
668 if (put_user(s, &kcontrols->string))
677 static int put_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext_controls32 __user *up)
679 struct v4l2_ext_control32 __user *ucontrols;
680 struct v4l2_ext_control __user *kcontrols = kp->controls;
684 if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_ext_controls32)) ||
685 put_user(kp->ctrl_class, &up->ctrl_class) ||
686 put_user(kp->count, &up->count) ||
687 put_user(kp->error_idx, &up->error_idx) ||
688 copy_to_user(up->reserved, kp->reserved, sizeof(up->reserved)))
693 if (get_user(p, &up->controls))
695 ucontrols = compat_ptr(p);
696 if (!access_ok(VERIFY_WRITE, ucontrols, n * sizeof(struct v4l2_ext_control)))
700 unsigned size = sizeof(*ucontrols);
702 /* Do not modify the pointer when copying a pointer control.
703 The contents of the pointer was changed, not the pointer
705 if (ctrl_is_pointer(kcontrols->id))
706 size -= sizeof(ucontrols->value64);
707 if (copy_in_user(ucontrols, kcontrols, size))
715 #define VIDIOC_G_FMT32 _IOWR('V', 4, struct v4l2_format32)
716 #define VIDIOC_S_FMT32 _IOWR('V', 5, struct v4l2_format32)
717 #define VIDIOC_QUERYBUF32 _IOWR('V', 9, struct v4l2_buffer32)
718 #define VIDIOC_G_FBUF32 _IOR ('V', 10, struct v4l2_framebuffer32)
719 #define VIDIOC_S_FBUF32 _IOW ('V', 11, struct v4l2_framebuffer32)
720 #define VIDIOC_QBUF32 _IOWR('V', 15, struct v4l2_buffer32)
721 #define VIDIOC_DQBUF32 _IOWR('V', 17, struct v4l2_buffer32)
722 #define VIDIOC_ENUMSTD32 _IOWR('V', 25, struct v4l2_standard32)
723 #define VIDIOC_ENUMINPUT32 _IOWR('V', 26, struct v4l2_input32)
724 #define VIDIOC_TRY_FMT32 _IOWR('V', 64, struct v4l2_format32)
725 #define VIDIOC_G_EXT_CTRLS32 _IOWR('V', 71, struct v4l2_ext_controls32)
726 #define VIDIOC_S_EXT_CTRLS32 _IOWR('V', 72, struct v4l2_ext_controls32)
727 #define VIDIOC_TRY_EXT_CTRLS32 _IOWR('V', 73, struct v4l2_ext_controls32)
729 #define VIDIOC_OVERLAY32 _IOW ('V', 14, s32)
731 #define VIDIOC_OVERLAY32_OLD _IOWR('V', 14, s32)
733 #define VIDIOC_STREAMON32 _IOW ('V', 18, s32)
734 #define VIDIOC_STREAMOFF32 _IOW ('V', 19, s32)
735 #define VIDIOC_G_INPUT32 _IOR ('V', 38, s32)
736 #define VIDIOC_S_INPUT32 _IOWR('V', 39, s32)
737 #define VIDIOC_G_OUTPUT32 _IOR ('V', 46, s32)
738 #define VIDIOC_S_OUTPUT32 _IOWR('V', 47, s32)
740 static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
743 #ifdef CONFIG_VIDEO_V4L1_COMPAT
744 struct video_tuner vt;
745 struct video_buffer vb;
746 struct video_window vw;
747 struct video_code vc;
748 struct video_audio va;
750 struct v4l2_format v2f;
751 struct v4l2_buffer v2b;
752 struct v4l2_framebuffer v2fb;
753 struct v4l2_input v2i;
754 struct v4l2_standard v2s;
755 struct v4l2_ext_controls v2ecs;
759 void __user *up = compat_ptr(arg);
760 int compatible_arg = 1;
763 /* First, convert the command. */
765 #ifdef CONFIG_VIDEO_V4L1_COMPAT
766 case VIDIOCGTUNER32: cmd = VIDIOCGTUNER; break;
767 case VIDIOCSTUNER32: cmd = VIDIOCSTUNER; break;
768 case VIDIOCGWIN32: cmd = VIDIOCGWIN; break;
769 case VIDIOCSWIN32: cmd = VIDIOCSWIN; break;
770 case VIDIOCGFBUF32: cmd = VIDIOCGFBUF; break;
771 case VIDIOCSFBUF32: cmd = VIDIOCSFBUF; break;
772 case VIDIOCGFREQ32: cmd = VIDIOCGFREQ; break;
773 case VIDIOCSFREQ32: cmd = VIDIOCSFREQ; break;
774 case VIDIOCSMICROCODE32: cmd = VIDIOCSMICROCODE; break;
776 case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break;
777 case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break;
778 case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break;
779 case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break;
780 case VIDIOC_S_FBUF32: cmd = VIDIOC_S_FBUF; break;
781 case VIDIOC_QBUF32: cmd = VIDIOC_QBUF; break;
782 case VIDIOC_DQBUF32: cmd = VIDIOC_DQBUF; break;
783 case VIDIOC_ENUMSTD32: cmd = VIDIOC_ENUMSTD; break;
784 case VIDIOC_ENUMINPUT32: cmd = VIDIOC_ENUMINPUT; break;
785 case VIDIOC_TRY_FMT32: cmd = VIDIOC_TRY_FMT; break;
786 case VIDIOC_G_EXT_CTRLS32: cmd = VIDIOC_G_EXT_CTRLS; break;
787 case VIDIOC_S_EXT_CTRLS32: cmd = VIDIOC_S_EXT_CTRLS; break;
788 case VIDIOC_TRY_EXT_CTRLS32: cmd = VIDIOC_TRY_EXT_CTRLS; break;
789 case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break;
791 case VIDIOC_OVERLAY32_OLD: cmd = VIDIOC_OVERLAY; break;
793 case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break;
794 case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break;
795 case VIDIOC_G_INPUT32: cmd = VIDIOC_G_INPUT; break;
796 case VIDIOC_S_INPUT32: cmd = VIDIOC_S_INPUT; break;
797 case VIDIOC_G_OUTPUT32: cmd = VIDIOC_G_OUTPUT; break;
798 case VIDIOC_S_OUTPUT32: cmd = VIDIOC_S_OUTPUT; break;
802 #ifdef CONFIG_VIDEO_V4L1_COMPAT
805 err = get_video_tuner32(&karg.vt, up);
810 err = get_video_buffer32(&karg.vb, up);
815 err = get_video_window32(&karg.vw, up);
825 case VIDIOCSMICROCODE:
826 err = get_microcode32(&karg.vc, up);
831 err = get_user(karg.vx, (u32 __user *)up);
837 case VIDIOCSWRITEMODE:
840 case VIDIOC_STREAMON:
841 case VIDIOC_STREAMOFF:
843 case VIDIOC_S_OUTPUT:
844 err = get_user(karg.vi, (s32 __user *)up);
849 case VIDIOC_G_OUTPUT:
856 err = get_v4l2_format32(&karg.v2f, up);
860 case VIDIOC_QUERYBUF:
863 err = get_v4l2_buffer32(&karg.v2b, up);
868 err = get_v4l2_framebuffer32(&karg.v2fb, up);
877 err = get_v4l2_standard32(&karg.v2s, up);
881 case VIDIOC_ENUMINPUT:
882 err = get_v4l2_input32(&karg.v2i, up);
886 case VIDIOC_G_EXT_CTRLS:
887 case VIDIOC_S_EXT_CTRLS:
888 case VIDIOC_TRY_EXT_CTRLS:
889 err = get_v4l2_ext_controls32(&karg.v2ecs, up);
897 err = native_ioctl(file, cmd, (unsigned long)up);
899 mm_segment_t old_fs = get_fs();
902 err = native_ioctl(file, cmd, (unsigned long)&karg);
906 /* Special case: even after an error we need to put the
907 results back for these ioctls since the error_idx will
908 contain information on which control failed. */
910 case VIDIOC_G_EXT_CTRLS:
911 case VIDIOC_S_EXT_CTRLS:
912 case VIDIOC_TRY_EXT_CTRLS:
913 if (put_v4l2_ext_controls32(&karg.v2ecs, up))
921 #ifdef CONFIG_VIDEO_V4L1_COMPAT
923 err = put_video_tuner32(&karg.vt, up);
927 err = put_video_window32(&karg.vw, up);
931 err = put_video_buffer32(&karg.vb, up);
935 err = put_user(((u32)karg.vx), (u32 __user *)up);
939 case VIDIOC_S_OUTPUT:
941 case VIDIOC_G_OUTPUT:
942 err = put_user(((s32)karg.vi), (s32 __user *)up);
946 err = put_v4l2_framebuffer32(&karg.v2fb, up);
952 err = put_v4l2_format32(&karg.v2f, up);
955 case VIDIOC_QUERYBUF:
958 err = put_v4l2_buffer32(&karg.v2b, up);
962 err = put_v4l2_standard32(&karg.v2s, up);
965 case VIDIOC_ENUMINPUT:
966 err = put_v4l2_input32(&karg.v2i, up);
972 long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
974 long ret = -ENOIOCTLCMD;
976 if (!file->f_op->ioctl && !file->f_op->unlocked_ioctl)
980 #ifdef CONFIG_VIDEO_V4L1_COMPAT
988 case VIDIOCCAPTURE32:
1002 case VIDIOCGCAPTURE:
1003 case VIDIOCSCAPTURE:
1004 case VIDIOCSPLAYMODE:
1005 case VIDIOCSWRITEMODE32:
1006 case VIDIOCGPLAYINFO:
1007 case VIDIOCSMICROCODE32:
1011 #ifdef __OLD_VIDIOC_
1012 case VIDIOC_OVERLAY32_OLD:
1013 case VIDIOC_S_PARM_OLD:
1014 case VIDIOC_S_CTRL_OLD:
1015 case VIDIOC_G_AUDIO_OLD:
1016 case VIDIOC_G_AUDOUT_OLD:
1017 case VIDIOC_CROPCAP_OLD:
1019 case VIDIOC_QUERYCAP:
1020 case VIDIOC_RESERVED:
1021 case VIDIOC_ENUM_FMT:
1022 case VIDIOC_G_FMT32:
1023 case VIDIOC_S_FMT32:
1024 case VIDIOC_REQBUFS:
1025 case VIDIOC_QUERYBUF32:
1026 case VIDIOC_G_FBUF32:
1027 case VIDIOC_S_FBUF32:
1028 case VIDIOC_OVERLAY32:
1030 case VIDIOC_DQBUF32:
1031 case VIDIOC_STREAMON32:
1032 case VIDIOC_STREAMOFF32:
1037 case VIDIOC_ENUMSTD32:
1038 case VIDIOC_ENUMINPUT32:
1041 case VIDIOC_G_TUNER:
1042 case VIDIOC_S_TUNER:
1043 case VIDIOC_G_AUDIO:
1044 case VIDIOC_S_AUDIO:
1045 case VIDIOC_QUERYCTRL:
1046 case VIDIOC_QUERYMENU:
1047 case VIDIOC_G_INPUT32:
1048 case VIDIOC_S_INPUT32:
1049 case VIDIOC_G_OUTPUT32:
1050 case VIDIOC_S_OUTPUT32:
1051 case VIDIOC_ENUMOUTPUT:
1052 case VIDIOC_G_AUDOUT:
1053 case VIDIOC_S_AUDOUT:
1054 case VIDIOC_G_MODULATOR:
1055 case VIDIOC_S_MODULATOR:
1056 case VIDIOC_S_FREQUENCY:
1057 case VIDIOC_G_FREQUENCY:
1058 case VIDIOC_CROPCAP:
1061 case VIDIOC_G_JPEGCOMP:
1062 case VIDIOC_S_JPEGCOMP:
1063 case VIDIOC_QUERYSTD:
1064 case VIDIOC_TRY_FMT32:
1065 case VIDIOC_ENUMAUDIO:
1066 case VIDIOC_ENUMAUDOUT:
1067 case VIDIOC_G_PRIORITY:
1068 case VIDIOC_S_PRIORITY:
1069 case VIDIOC_G_SLICED_VBI_CAP:
1070 case VIDIOC_LOG_STATUS:
1071 case VIDIOC_G_EXT_CTRLS32:
1072 case VIDIOC_S_EXT_CTRLS32:
1073 case VIDIOC_TRY_EXT_CTRLS32:
1074 case VIDIOC_ENUM_FRAMESIZES:
1075 case VIDIOC_ENUM_FRAMEINTERVALS:
1076 case VIDIOC_G_ENC_INDEX:
1077 case VIDIOC_ENCODER_CMD:
1078 case VIDIOC_TRY_ENCODER_CMD:
1079 case VIDIOC_DBG_S_REGISTER:
1080 case VIDIOC_DBG_G_REGISTER:
1081 case VIDIOC_DBG_G_CHIP_IDENT:
1082 case VIDIOC_S_HW_FREQ_SEEK:
1083 case VIDIOC_ENUM_DV_PRESETS:
1084 case VIDIOC_S_DV_PRESET:
1085 case VIDIOC_G_DV_PRESET:
1086 case VIDIOC_QUERY_DV_PRESET:
1087 case VIDIOC_S_DV_TIMINGS:
1088 case VIDIOC_G_DV_TIMINGS:
1089 ret = do_video_ioctl(file, cmd, arg);
1092 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1093 /* BTTV specific... */
1094 case _IOW('v', BASE_VIDIOCPRIVATE+0, char [256]):
1095 case _IOR('v', BASE_VIDIOCPRIVATE+1, char [256]):
1096 case _IOR('v' , BASE_VIDIOCPRIVATE+2, unsigned int):
1097 case _IOW('v' , BASE_VIDIOCPRIVATE+3, char [16]): /* struct bttv_pll_info */
1098 case _IOR('v' , BASE_VIDIOCPRIVATE+4, int):
1099 case _IOR('v' , BASE_VIDIOCPRIVATE+5, int):
1100 case _IOR('v' , BASE_VIDIOCPRIVATE+6, int):
1101 case _IOR('v' , BASE_VIDIOCPRIVATE+7, int):
1102 ret = native_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
1106 printk(KERN_WARNING "compat_ioctl32: "
1107 "unknown ioctl '%c', dir=%d, #%d (0x%08x)\n",
1108 _IOC_TYPE(cmd), _IOC_DIR(cmd), _IOC_NR(cmd), cmd);
1113 EXPORT_SYMBOL_GPL(v4l2_compat_ioctl32);
1116 MODULE_LICENSE("GPL");